CN113577944A - Cleaning device is collected to impurity in boiler waste gas - Google Patents
Cleaning device is collected to impurity in boiler waste gas Download PDFInfo
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- CN113577944A CN113577944A CN202110800665.0A CN202110800665A CN113577944A CN 113577944 A CN113577944 A CN 113577944A CN 202110800665 A CN202110800665 A CN 202110800665A CN 113577944 A CN113577944 A CN 113577944A
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- 239000002912 waste gas Substances 0.000 title claims abstract description 78
- 239000012535 impurity Substances 0.000 title claims abstract description 35
- 238000004140 cleaning Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 136
- 239000007789 gas Substances 0.000 claims abstract description 120
- 238000001816 cooling Methods 0.000 claims abstract description 49
- 239000003245 coal Substances 0.000 claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 5
- 239000002699 waste material Substances 0.000 claims description 38
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 34
- 238000005086 pumping Methods 0.000 claims description 24
- 239000000779 smoke Substances 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 14
- 239000000498 cooling water Substances 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- 238000001179 sorption measurement Methods 0.000 claims description 8
- 239000003651 drinking water Substances 0.000 claims description 6
- 235000020188 drinking water Nutrition 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 239000002894 chemical waste Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 description 12
- 239000008187 granular material Substances 0.000 description 11
- 238000002485 combustion reaction Methods 0.000 description 9
- 239000000428 dust Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 239000002351 wastewater Substances 0.000 description 6
- 239000004744 fabric Substances 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
- B01D47/021—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by bubbling the gas through a liquid bath
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to a device for collecting and cleaning impurities in boiler waste gas, which relates to the field of chemical waste gas treatment technology, it includes the frame, the boiler body, the exhaust pipe, cooling body, exhaust-gas treatment mechanism and tail gas treatment mechanism, the coal-fired chamber has been seted up to the bottom of boiler body, exhaust pipe and coal-fired chamber intercommunication set up, one section setting that exhaust pipe stretches out the boiler body is in cooling body's inside, exhaust-gas treatment mechanism is including handling the case, the water tank, the pump assembly, the aspiration pump, the intake pipe, blast pipe and outlet duct, handle case and exhaust pipe intercommunication, the water tank sets up in handling the incasement, the input port intercommunication of intake pipe and aspiration pump, the delivery outlet intercommunication of blast pipe and aspiration pump, the other end and the water tank intercommunication of blast pipe, water in the water tank is used for filtering the impurity in the waste gas, the outlet duct sets up the top at the water tank, the outlet duct is used for and tail gas treatment mechanism intercommunication. The invention can treat the waste gas generated by the coal burning boiler and reduce the pollution of the waste gas to the environment.
Description
Technical Field
The invention relates to the field of chemical waste gas treatment technology, in particular to a device for collecting and cleaning impurities in boiler waste gas.
Background
The boiler is an energy conversion device, and the energy input to the boiler is chemical energy and electric energy in fuel. Thermal power generation is a main power generation mode in China, and hot water and steam in a boiler can directly provide heat energy required by industrial production and life of people.
Coal-fired boilers are fueled by coal, which is a typical fossil fuel, and during the combustion of coal, a large amount of dust and atmospheric pollutants are generated in the boiler flue gas. Typically, these pollutants are discharged into the air through a higher stack. However, with the accelerated production of modern industries, these pollutants cause serious air quality deterioration and environmental pollution, such as haze, acid rain and greenhouse effect, are all related to the pollution. Therefore, it is necessary to treat the exhaust gas of the coal-fired boiler.
In view of the above-mentioned related art, the inventor believes that the chimney is elevated to discharge the waste gas generated by burning coal into the atmosphere, which may cause certain damage to the environment.
Disclosure of Invention
The invention provides a device for collecting and cleaning impurities in boiler waste gas, which aims to treat waste gas generated by a coal-fired boiler and reduce the pollution of the waste gas to the environment.
The invention provides a device for collecting and cleaning impurities in boiler waste gas, which adopts the following technical scheme:
a device for collecting and cleaning impurities in boiler waste gas comprises a rack, a boiler body, a smoke exhaust pipeline, a cooling mechanism, a waste gas treatment mechanism and a tail gas treatment mechanism, wherein the boiler body, the smoke exhaust pipeline, the cooling mechanism and the tail gas treatment mechanism are arranged on the rack, a coal burning cavity is arranged in the boiler body, the smoke exhaust pipeline is communicated with the coal burning cavity, one section of the smoke exhaust pipeline extending out of the boiler body is arranged in the cooling mechanism, the cooling mechanism is used for cooling the waste gas in the smoke exhaust pipeline, the waste gas treatment mechanism is used for filtering the impurities in the waste gas, the tail gas treatment mechanism is used for adsorbing harmful gas in the waste gas, the waste gas treatment mechanism comprises a treatment box, a water tank, a pumping component, a suction pump, an air inlet pipe, an exhaust pipe and an outlet pipe, the treatment box is arranged on the rack, the treatment box is communicated with the smoke exhaust pipeline, the water tank is arranged in the treatment box, the intake pipe communicates with the input port of aspiration pump, the delivery outlet of blast pipe and aspiration pump communicates, the other end of blast pipe with the water tank intercommunication, the pump drainage subassembly sets up handle between case and the water tank, the pump drainage subassembly is used for right water in the water tank is changed, water in the water tank is used for filtering the impurity in the waste gas, the outlet duct intercommunication sets up the top of water tank, the outlet duct be used for with tail gas treatment mechanism intercommunication.
Through adopting above-mentioned technical scheme, during the use, adjust the aspiration pump, the aspiration pump is bled to exhaust pipe through the intake pipe, can inhale exhaust pipe from the coal-fired intracavity with the waste gas that coal produced, and cooling body can cool down the processing to exhaust pipe, can collect the heat that exhaust pipe produced simultaneously. Then, the exhaust pump is with the waste gas suction blast pipe in the exhaust pipe, and the blast pipe is with waste gas leading-in water tank, and the hydroenergy in the water tank can adsorb the dust in the waste gas and deposit, then makes the waste gas after adsorbing the sediment derive from the outlet duct. Through adjusting the pump drainage subassembly, can regularly change the water in the water tank, can improve the adsorption and precipitation ability of the water in the water tank to the dust in the waste gas. When waste gas passes through the outlet duct and gets into tail gas treatment mechanism, tail gas treatment mechanism handles the harmful gas in the waste gas, then will handle the waste gas after the processing in the middle of the air. Through the aspiration pump, can let in the water tank with the waste gas that coal produced in, make the dust in the waste gas adsorb in the water tank and deposit, then carry out periodic replacement through the water of pump drainage subassembly in to the water tank, keep the adsorption efficiency of water tank to dust in the waste gas. Finally, the waste gas is treated by the tail gas treatment mechanism and then discharged into the air, so that the pollution to the environment can be reduced.
Optionally, the air inlet pipe and the exhaust pipe are both provided with sealing rings, and the sealing rings are arranged on the inner wall of the smoke exhaust pipeline.
By adopting the technical scheme, the arranged sealing ring can play a certain protection role on the air pump, and the damage of water in the water tank to the air pump is reduced; meanwhile, the backflow of water in the water tank can be reduced, and the adsorption and precipitation effects on impurities are influenced.
Optionally, the pump drainage subassembly is including drawing water structure and drainage structures, the structure of drawing water includes drinking-water pipe and suction pump, the suction pump sets up on the water tank, the one end of drinking-water pipe with the input port intercommunication of suction pump, the drinking-water pipe is kept away from the one end of suction pump is used for being connected with the water source, the delivery outlet of suction pump with the water tank intercommunication.
Through adopting above-mentioned technical scheme, when needs are changed the water in the water tank, adjust drainage structures, drainage structures takes out the water tank with the water in the water tank. And then adjusting a water suction pump, wherein the water suction pump sucks water in a water source into the water tank through a water suction pipe. The structure of drawing water that sets up when filling up water in needs with the water tank, through adjusting the suction pump, can with the automatic suction water tank of the water in the water source in, reduce in the staff is manual pours water into the water tank, and then can improve the water injection efficiency of water tank.
Optionally, drainage structures is including taking out useless pipe, waste discharge pump and waste discharge pipe, waste discharge pump sets up handle on the case, take out the one end of useless pipe with waste discharge pump's input port intercommunication, take out useless pipe and keep away from waste discharge pump's one end with the water tank intercommunication, waste discharge pipe's one end with waste discharge pump's delivery outlet intercommunication, waste discharge pipe keeps away from waste discharge pump's one end is used for discharging impurity to impurity collection department.
Through adopting above-mentioned technical scheme, when needs are changed the water in the water tank, adjust the pump of wasting discharge, the pump of wasting discharge is through taking out useless pipe, takes out the water tank with the waste water in the water tank, then arranges waste water to appointed position department through wasting discharge pipe and carries out centralized processing. The drainage structures who sets up, when needs are discharged the waste water in the water tank, through adjusting the waste discharge pump, can arrange the assigned position department with the waste water in the water tank, can improve the time of taking the waste water in the water tank out, can improve work efficiency.
Optionally, the cooling mechanism includes a cooling furnace, a water inlet pipe and a water outlet pipe, the cooling furnace is arranged on the rack, the water inlet pipe is arranged at the top of the cooling furnace, the water outlet pipe is arranged at the bottom of the cooling furnace, the smoke exhaust pipeline is arranged inside the cooling furnace, cooling water is arranged in the cooling furnace, and the cooling water is used for cooling the smoke exhaust pipeline.
Through adopting above-mentioned technical scheme, through the inlet tube, can pour into the cooling water in the cooling furnace. When coal is combusted in the coal combustion chamber, exhaust gas generated by the combustion of the coal has a certain temperature. When waste gas passes through the cooling furnace, cooling water in the cooling furnace can cool the waste gas. After the waste water passes through the cooling furnace along the smoke exhaust pipeline, the cooling water can reduce the temperature of the waste gas, and then the heat in the waste gas is collected. Then through the outlet pipe, can be with cooling water conservancy diversion to appointed position department. The cooling body who sets up can cool down the processing to the waste gas that coal burning produced, simultaneously, can collect the heat in the waste gas, can reduce energy loss.
Optionally, tail gas treatment mechanism includes tail gas case, active carbon granule and play air cylinder, the tail gas case sets up in the frame, tail gas case and outlet duct intercommunication, it sets up to go out the air cylinder on the tail gas case, go out air cylinder and tail gas case intercommunication, just go out the air cylinder and follow the direction of height setting of tail gas case, active carbon granule has been placed to the inside of tail gas case, active carbon granule is used for adsorbing the processing to waste gas.
Through adopting above-mentioned technical scheme, after waste gas passes through the outlet duct and gets into the tail gas case, the active carbon granule in the tail gas case can adsorb the harmful gas in the waste gas, then in waste gas discharges into the air through the play cylinder. The tail gas treatment mechanism who sets up can adsorb the harmful gas in the waste gas and handle, can reduce in the middle of the harmful gas in the waste gas exhausts the air, and then the environmental protection.
Optionally, a screen used for plugging the activated carbon particles is arranged on both the air inlet of the tail gas box and the air outlet of the tail gas box.
Through adopting above-mentioned technical scheme, the screen cloth that sets up can play certain shutoff effect to the active carbon granule, reduces the active carbon granule and spills over from the tail gas incasement, and then influences the treatment effect of active carbon granule to waste gas.
Optionally, a feed inlet is formed in the top of the tail gas box, a discharge outlet is formed in the bottom of the tail gas box, and sealing covers used for plugging the tail gas box are arranged on the feed inlet and the discharge outlet.
Through adopting above-mentioned technical scheme, the feed inlet and the discharge gate of setting can regularly be changed the active carbon granule in the tail gas case, and then improve the adsorption effect of active carbon granule to waste gas. Simultaneously, the feed inlet and the discharge gate of sealed setting can improve the leakproofness of feed inlet and discharge gate.
In summary, the invention includes at least one of the following beneficial technical effects:
1. through the aspiration pump, can let in the water tank with the waste gas that coal produced in, make the dust in the waste gas adsorb in the water tank and deposit, then carry out periodic replacement through the water of pump drainage subassembly in to the water tank, keep the adsorption efficiency of water tank to dust in the waste gas. Finally, the waste gas is treated by a tail gas treatment mechanism and then discharged into the air, so that the pollution to the environment can be reduced;
2. the arranged pumping and discharging mechanism can be used for regularly replacing water in the water tank, can keep the treatment efficiency of the water in the water tank on dust in the waste gas, and can improve the working efficiency of the water tank and save the labor of workers;
3. the cooling mechanism can cool the waste gas generated by coal combustion, and can collect the heat in the waste gas, thereby reducing energy loss;
4. the tail gas treatment mechanism who sets up can adsorb the harmful gas in the waste gas and handle, can reduce in the middle of the harmful gas in the waste gas exhausts the air, and then the environmental protection.
Drawings
Fig. 1 is a schematic view of the overall structure of a device for collecting and cleaning impurities in boiler exhaust gas according to an embodiment of the present invention.
Fig. 2 is a sectional view of an apparatus for collecting and cleaning impurities in boiler exhaust gas according to an embodiment of the present invention.
Fig. 3 is an enlarged schematic view of a portion a of fig. 2.
Reference numerals: 1. a frame; 2. a boiler body; 21. a coal combustion chamber; 3. a smoke exhaust duct; 4. a cooling mechanism; 41. cooling the furnace; 42. a water inlet pipe; 43. a water outlet pipe; 5. an exhaust gas treatment mechanism; 51. a treatment tank; 52. a water tank; 53. a pumping and draining assembly; 531. a water pumping structure; 5311. a water pumping pipe; 5312. a water pump; 532. a drainage structure; 5321. a waste pipe is extracted; 5322. a waste discharge pump; 5323. a waste discharge pipe; 54. an air pump; 55. an air inlet pipe; 56. an exhaust pipe; 57. an air outlet pipe; 58. a seal ring; 6. a tail gas treatment mechanism; 61. a tail gas tank; 611. a feed inlet; 612. a discharge port; 613. a sealing cover; 62. activated carbon particles; 63. an air outlet cylinder; 64. and (4) screening.
Detailed Description
The present invention is described in further detail below with reference to figures 1-3.
The embodiment of the invention discloses a device for collecting and cleaning impurities in boiler waste gas. Referring to fig. 1 and 2, cleaning device is collected to impurity in the boiler waste gas includes frame 1, be located boiler body 2 in frame 1, exhaust pipe 3, cooling body 4, exhaust treatment mechanism 5 and tail gas processing mechanism 6, coal chamber 21 has been seted up to boiler body 2's inside, exhaust pipe 3 with fire coal chamber 21 intercommunication, exhaust pipe 3 stretches out one section setting of boiler body 2 in cooling body 4's inside, cooling body 4 can cool off the waste gas in exhaust pipe 3, impurity in the waste gas can be filtered in exhaust pipe 3 to exhaust treatment mechanism 5, tail gas processing mechanism 6 can adsorb the harmful gas in the waste gas in exhaust pipe 3.
Referring to fig. 2 and 3, in order to filter impurities in the exhaust gas duct 3, the exhaust gas treatment mechanism 5 includes a treatment tank 51, a water tank 52, a pumping and discharging assembly 53, a suction pump 54, an air inlet pipe 55, an exhaust pipe 56 and an air outlet pipe 57, the treatment tank 51 is arranged on the rack 1, and the treatment tank 51 is connected with the rack 1 through bolts. The treatment tank 51 communicates with the exhaust duct 3, the water tank 52 is provided inside the treatment tank 51, and the water tank 52 is welded to the inner wall of the treatment tank 51. The air inlet pipe 55 is connected with an input port of the air suction pump 54 through a flange, the air inlet pipe 55 and the air suction pump 54 are arranged in the smoke exhaust pipeline 3, the air exhaust pipe 56 is connected with an output port of the air suction pump 54 through a flange, the other end of the air exhaust pipe 56 extends into the water tank 52, and the air exhaust pipe 56 is communicated with the water tank 52. The pumping assembly 53 is disposed between the treatment tank 51 and the water tank 52, the pumping assembly 53 can replace water in the water tank 52, and the water in the water tank 52 can filter impurities in the exhaust gas. An air outlet pipe 57 is arranged at the top of the water tank 52 in a communicating manner, the air outlet pipe 57 is welded on the water tank 52, and the air outlet pipe 57 can be communicated with the tail gas treatment mechanism 6. The air inlet pipe 55 and the exhaust pipe 56 are both provided with a sealing ring 58, the sealing rings 58 are respectively sleeved on the air inlet pipe 55 and the exhaust pipe 56, and the sealing rings 58 are welded on the inner wall of the smoke exhaust pipeline 3.
Referring to fig. 3, in order to facilitate replacement of water in the water tank 52, the pumping and draining assembly 53 includes a pumping structure 531 and a draining structure 532, the pumping structure 531 includes a pumping pipe 5311 and a pumping pump 5312, and a base of the pumping pump 5312 is fixed to the water tank 52 by bolts. One end of the water pumping pipe 5311 is connected with an input port of the water pumping pump 5312 through a flange, one end of the water pumping pipe 5311, which is far away from the water pumping pump 5312, is connected with a water source, and an output port of the water pumping pump 5312 is communicated with the inside of the water tank 52. By adjusting the pump 5312, water from the water supply can be drawn into the tank 52.
Referring to fig. 3, the drain structure 532 includes a waste pumping pipe 5321, a waste discharge pump 5322, and a waste discharge pipe 5323, and the waste discharge pump 5322 is fixed to the treatment tank 51 by bolts. One end of the waste pumping pipe 5321 is connected to an input port of the waste discharge pump 5322 via a flange, and one end of the waste pumping pipe 5321 remote from the waste discharge pump 5322 is communicated with the inside of the water tank 52. One end of the waste discharge pipe 5323 is connected with an output port of the waste discharge pump 5322 through a flange, and one end of the waste discharge pipe 5323, which is far away from the waste discharge pump 5322, can discharge impurities to an impurity collection position. By adjusting the waste pump 5322, the water in the water tank 52 can be discharged to a designated position.
Referring to fig. 1, in order to reduce the temperature of exhaust gas generated by coal combustion, heat in the exhaust gas is recovered. The cooling mechanism 4 comprises a cooling furnace 41, a water inlet pipe 42 and a water outlet pipe 43, and the base of the cooling furnace 41 is fixed on the frame 1 through bolts. A water inlet pipe 42 is provided at the top of the cooling furnace 41, and the water inlet pipe 42 communicates with the inside of the cooling furnace 41. The water outlet pipe 43 is arranged at the bottom of the cooling furnace 41, and the water outlet pipe 43 is communicated with the inside of the cooling furnace 41. The smoke exhaust pipeline 3 stretches out a part of the boiler body 2 and is arranged inside the cooling furnace 41, cooling water is filled in the cooling furnace 41, the cooling water can cool the smoke exhaust pipeline 3, and the cooling water is not marked in the embodiment.
Referring to fig. 3, in order to reduce the content of harmful gases in the exhaust gas, the exhaust gas treatment mechanism 6 includes an exhaust gas box 61, activated carbon particles 62 and an air outlet cylinder 63, the exhaust gas box 61 is bolted to the frame 1, the exhaust gas box 61 is communicated with an air outlet pipe 57, and the air outlet pipe 57 is welded to the exhaust gas box 61. The air outlet cylinder 63 is arranged on the tail gas box 61, the air outlet cylinder 63 is welded on the tail gas box 61, the air outlet cylinder 63 is communicated with the tail gas box 61, and the air outlet cylinder 63 is distributed along the height direction of the tail gas box 61. The inside of tail gas case 61 has been filled with activated carbon particle 62, and activated carbon particle 62 can carry out adsorption treatment to the harmful gas in the waste gas. All be provided with screen cloth 64 on the air inlet of tail gas case 61 and the gas outlet of tail gas case 61, screen cloth 64 passes through the bolt fastening respectively on the inner wall of tail gas case 61 air inlet and tail gas case 61 gas outlet. Through the screen cloth 64 that sets up, can carry out the shutoff to active carbon granule 62, can reduce active carbon granule 62 and spill over from the air inlet and the gas outlet of tail gas tank 61. The top of the tail gas box 61 is provided with a feed inlet 611, the bottom of the tail gas box 61 is provided with a discharge outlet 612, the feed inlet 611 and the discharge outlet 612 are both provided with a sealing cover 613 capable of being sealed, and the sealing cover 613 is connected with the feed inlet 611 and the discharge outlet 612 through bolts. The activated carbon particles 62 in the tail gas box 61 can be replaced through the feeding hole 611 and the discharging hole 612, and then the treatment effect of the activated carbon particles 62 on harmful gas in the waste gas is improved.
The implementation principle of the device for collecting and cleaning impurities in the boiler waste gas provided by the embodiment of the invention is as follows: when coal is combusted in the coal combustion chamber 21, exhaust gas generated by the combustion of coal passes through the smoke discharge duct 3. When the exhaust gas passes through the cooling furnace 41 along the exhaust pipeline 3, the cooling water in the cooling furnace 41 can cool the exhaust gas; simultaneously, can collect the heat in the waste gas, can improve the heat utilization ratio in the waste gas. And adjusting a suction pump 54, wherein the suction pump 54 sucks the waste gas in the smoke exhaust pipeline 3 into the water tank 52 through an air inlet pipe 55 and an air outlet pipe 56, and dust in the waste gas is precipitated under the action of water in the water tank 52. The waste gas after adsorption and precipitation enters the tail gas box 61 through the gas outlet pipe 57, and the active carbon particles 62 in the tail gas box 61 can adsorb harmful gas in the waste gas. Finally, the adsorbed waste gas is discharged into the air through the air outlet cylinder 63, so that the pollution of the waste gas generated by coal combustion to the environment can be reduced.
The above are all preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides a cleaning device is collected to impurity in boiler waste gas which characterized in that: including frame (1), be located boiler body (2), exhaust pipe (3), cooling body (4), exhaust-gas treatment mechanism (5) and tail gas processing mechanism (6) on frame (1), the inside of boiler body (2) is provided with fires coal chamber (21), exhaust pipe (3) with fire coal chamber (21) intercommunication and set up, exhaust pipe (3) stretch out one section setting of boiler body (2) is in the inside of cooling body (4), cooling body (4) are used for cooling down the waste gas in exhaust pipe (3), exhaust-gas treatment mechanism (5) are arranged in filtering the impurity in the waste gas, tail gas processing mechanism (6) are arranged in adsorbing the harmful gas in the waste gas, exhaust-gas treatment mechanism (5) are including handling case (51), water tank (52), pump drainage subassembly (53), The device comprises a suction pump (54), an air inlet pipe (55), an exhaust pipe (56) and an air outlet pipe (57), wherein the treatment box (51) is arranged on the rack (1), the treatment box (51) is communicated with a smoke exhaust pipeline (3), the water tank (52) is arranged in the treatment box (51), the air inlet pipe (55) is communicated with an input port of the suction pump (54), the exhaust pipe (56) is communicated with an output port of the suction pump (54), the other end of the exhaust pipe (56) is communicated with the water tank (52), a pumping component (53) is arranged between the treatment box (51) and the water tank (52), the pumping component (53) is used for replacing water in the water tank (52), the water in the water tank (52) is used for filtering impurities in waste gas, and the air outlet pipe (57) is communicated with the top of the water tank (52), the gas outlet pipe (57) is used for being communicated with the tail gas treatment mechanism (6).
2. The apparatus for collecting and cleaning impurities in boiler exhaust gas according to claim 1, wherein: and the air inlet pipe (55) and the exhaust pipe (56) are both provided with sealing rings (58), and the sealing rings (58) are arranged on the inner wall of the smoke exhaust pipeline (3).
3. The apparatus for collecting and cleaning impurities in boiler exhaust gas according to claim 1, wherein: the pump drainage subassembly (53) is including drawing water structure (531) and drainage structures (532), draw water structure (531) including drinking-water pipe (5311) and suction pump (5312), suction pump (5312) set up on water tank (52), the one end of drinking-water pipe (5311) with the input port intercommunication of suction pump (5312), drinking-water pipe (5311) are kept away from the one end of suction pump (5312) is used for being connected with the water source, the delivery outlet of suction pump (5312) with water tank (52) intercommunication.
4. The apparatus for collecting and cleaning impurities in boiler exhaust gas according to claim 3, wherein: drainage structures (532) are including taking out waste pipe (5321), waste discharge pump (5322) and waste discharge pipe (5323), waste discharge pump (5322) sets up handle on case (51), take out waste pipe (5321) one end with waste discharge pump (5322)'s input port intercommunication, take out waste pipe (5321) and keep away from waste discharge pump (5322) one end with water tank (52) intercommunication, waste discharge pipe (5323) one end with waste discharge pump (5322)'s delivery outlet intercommunication, waste discharge pipe (5323) keep away from waste discharge pump (5322) one end is used for discharging impurity to impurity collection department.
5. The apparatus for collecting and cleaning impurities in boiler exhaust gas according to claim 1, wherein: cooling body (4) are including cooling furnace (41), inlet tube (42) and outlet pipe (43), cooling furnace (41) set up on frame (1), inlet tube (42) set up the top of cooling furnace (41), outlet pipe (43) set up the bottom of cooling furnace (41), exhaust pipe (3) set up the inside at cooling furnace (41), be provided with the cooling water in cooling furnace (41), the cooling water be used for right exhaust pipe (3) cool off.
6. The apparatus for collecting and cleaning impurities in boiler exhaust gas according to claim 1, wherein: tail gas treatment mechanism (6) include tail gas case (61), activated carbon particle (62) and play gas cylinder (63), tail gas case (61) sets up in frame (1), tail gas case (61) and outlet duct (57) intercommunication, play gas cylinder (63) set up on tail gas case (61), play gas cylinder (63) and tail gas case (61) intercommunication, just play gas cylinder (63) are followed the direction of height of tail gas case (61) sets up, activated carbon particle (62) have been placed to the inside of tail gas case (61), activated carbon particle (62) are used for carrying out adsorption treatment to waste gas.
7. The apparatus for collecting and cleaning impurities in boiler exhaust gas according to claim 6, wherein: and a screen (64) used for plugging the activated carbon particles (62) is arranged on the air inlet of the tail gas box (61) and the air outlet of the tail gas box (61).
8. The apparatus for collecting and cleaning impurities in boiler exhaust gas according to claim 7, wherein: a feed inlet (611) is formed in the top of the tail gas box (61), a discharge outlet (612) is formed in the bottom of the tail gas box (61), and sealing covers (613) used for sealing the tail gas box (61) are arranged on the feed inlet (611) and the discharge outlet (612).
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